“primary standards of national defense”的概念、定义、翻译、参考文献-科学参考

单词	primary standards of national defense
释义	primary standards of national defense Encyclopedia 工学（计量）释 primary standards of national defense国防最高计量标准在国防军工系统中具有最高计量特性，由国家国防科技工业计量主管部门考核合格并授权在国防军工系统中进行量值传递的测量标准。
随便看	Yangtze finless porpoise Yangtze River Yangtze River Delta Yangtze River Delta Cultural Industry Development Research Institute of Nanjing University Yangtze River delta economic zone Yangtze River delta of China Yangtze River Delta urban agglomeration Yangtze River Delta urban innovative agglomeration Yangtze River Fisheries Research Institute，YRFRI CAFS Yangtze River flood in 1870 Yangtze River flood in 1954 Yangtze River flood in 1998 Yangtze River Monthly of Novels and Short Stories Yangtze River System Waterway Yangtze River waterway Yangtze sturgeon Yangtze Three Gorges Scenic and Historic Area Yanguan Guzhen Yan Guang’s Temple Yanguanian Stage Yanguan seawall Yanguan Seawall and Seagod Temple Yangudi Rassa National Park Yang Wan Yangwan

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。